Rel Measurement; Max/Min/Avg Measurement; Data Deletion; Backlight - KPS TL300 Manual De Instrucciones

（3）Press "ENTER" for 2 seconds to read a group of data in a memory if there are data stored before in the memory
4.6 REL—Relative Measurement
Relative measurement can be accessible only when the tester is used for measurement of earth resistance. Press REL to switch the relative
measurement mode with the normal one or vice versa.
（1）Under relative measurement mode, the symbol "REL" is shown on LCD and the existing reading is stored in the memory for future
reference. In the following relative measurement, what the LCD displays is the difference between the input value and the reference
value, that is, existing reading=input value-reference value.
（2）Under normal measurement of earth resistance, it is not allowed to enter REL mode when the measurement is progressing.
（3）It is not allowed to enter REL mode when the data is being read or stored.
（4）It is not allowed to enter REL mode when the existing reading exceeds the limit.

4.7 MAX/MIN/AVG Measurement

Press the key of MAX/MIN/AVG to switch the modes between the measurements of maximum, minimum, average and normal, corresponding
to each of which a symbol is shown on LCD.
（1）When MAX is selected, the LCD shows the maximum of all the data.
（2）When MIN is selected, the LCD shows the minimum of all the data.
（3）When AVG is selected, the LCD shows the average of all the data.

4.8 Data Deletion

The data can be deleted when READ or MEMO is pressed down. Press CLEAR briefly to delete the data stored in the existing position and
press it long to delete all the data stored.

4.9 Backlight

Press LIGHT to turn on or turn off the backlight and it will go off automatically 15 seconds after it is turned on.

4.10 Auto off

Press ASP to start or cease Auto-off. The symbol "
of the symbol means that the function has been ceased. In case that no operation is performed within 15 minutes after Auto-off is on, the
meter goes into sleeping status and the buzzer will give sound to remind of this . Press any key to wake the meter up. Be sure to set the
switch to "OFF" if the meter will not be used for long.
" shown on the LCD means the Auto-off function has been started and disappearance
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